Spanish Chorizo and Pepper Stew

Name: Spanish Chorizo and Pepper Stew
Ingredients: 2 ½ cups dried chickpeas; 2 medium tomatoes; 1 tablespoon black peppercorns; 1 tablespoon Cumin seed; 2 tablespoons olive oil; 3 tablespoons unsalted butter; 5 cloves garlic (peeled and minced); 3 ribs Celery (rinsed; trimmed and diced); 1 yellow Bell pepper (rinsed; trimmed and cut into strips); 1 fresh poblano chili (ribs and seeds discarded and cut into 1/4-inch dice); 1 medium onion (peeled and diced); 1 small Fennel bulb (stalks discarded and bulb diced); 2 bay leaves; ½ cup sweet sherry; 7 cups low-sodium Chicken broth; 3 cups water; 2 ½ cups fresh Chorizo (sausage); salt (to taste); freshly ground Black pepper (to taste)